<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>元数据管理</el-breadcrumb-item>
      <el-breadcrumb-item>字段列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getcolumnlist">
            <el-button slot="append" icon="el-icon-search" @click="getcolumnlist"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加字段</el-button>
        </el-col>
      </el-row>

      <!-- 字段列表区域 -->
      <el-table :data="columnlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="埋点名" prop="log_column"></el-table-column>
        <el-table-column label="字段名" prop="table_column"></el-table-column>
        <el-table-column label="埋点类型" prop="log_type"></el-table-column>
        <el-table-column label="字段类型" prop="table_type"></el-table-column>
        <el-table-column label="描述" prop="comment"></el-table-column>
        <el-table-column label="创建时间" prop="created_time"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </el-card>

    <!-- 添加字段的对话框 -->
    <el-dialog title="添加字段" :visible.sync="addDialogVisible" width="40%" @close="addDialogClosed">
      <!-- 内容主体区域 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="160px">
        <el-form-item label="埋点名"  prop="logcolumn">
          <el-input  style="width: 200px" v-model="addForm.logcolumn"></el-input>
        </el-form-item>
        <el-form-item label="字段名" prop="tablecolumn">
          <el-input  style="width: 200px" v-model="addForm.tablecolumn"></el-input>
        </el-form-item>
        <el-form-item label="埋点类型" prop="logtype">
          <el-select v-model="addForm.logtype" placeholder="请选择">
            <el-option v-for="item in logtypeList" :key="item.id" :label="item.name" :value="item.name">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="字段类型" prop="tabletype">
          <el-select v-model="addForm.tabletype" placeholder="请选择">
            <el-option v-for="item in tabletypeList" :key="item.id" :label="item.name" :value="item.name">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="字段描述" prop="comment">
          <el-input style="width: 300px"   v-model="addForm.comment"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addColumn">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }

      cb(new Error('请输入合法的邮箱'))
    }

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }

    return {
      // 获取字段列表的参数对象
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 10
      },
      columnlist: [],
      total: 0,
      // 控制添加字段对话框的显示与隐藏
      addDialogVisible: false,
      // 添加字段的表单数据
      addForm: {
        logcolumn: '',
        tablecolumn: '',
        logtype: '',
        tabletype: '',
        comment: ''
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入字段名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '字段名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '字段名的长度在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ],
        logcolumn: [
          { required: true, message: '请输入字段名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '字段名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        tablecolumn: [
          { required: true, message: '请输入字段名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '字段名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        logtype: [
          { required: true, message: '请输入字段名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '字段名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        tabletype: [
          { required: true, message: '请输入字段名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '字段名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        comment: [
          { required: true, message: '请输入字段名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '字段名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ]
      },
      // 控制修改字段对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的字段信息对象
      editForm: {},
      // 修改表单的验证规则对象
      editFormRules: {
        email: [
          { required: true, message: '请输入字段邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入字段手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的字段信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      logtypeList: [{ id: 1, name: 'Integer' }, { id: 2, name: 'Long' }, { id: 3, name: 'String' }, { id: 4, name: 'Decimal(16,4)' }, { id: 5, name: 'Date' }],
      tabletypeList: [{ id: 1, name: 'Integer' }, { id: 2, name: 'Long' }, { id: 3, name: 'String' }, { id: 4, name: 'Decimal(16,4)' }, { id: 5, name: 'Date' }]
    }
  },
  created() {
    this.getColumnList()
  },
  methods: {
    async getColumnList() {
      const { data: res } = await this.$http.get('/metastore/column', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取字段列表失败！')
      }
      this.columnlist = res.data.columns
      this.total = res.data.total
      console.log(res)
    },
    // 监听 pagesize 改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getColumnList()
    },
    // 监听 页码值 改变的事件
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getColumnList()
    },
    // 监听 switch 开关状态的改变
    async userStateChanged(userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新字段状态失败！')
      }
      this.$message.success('更新字段状态成功！')
    },
    // 监听添加字段对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮，添加新字段
    addColumn() {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        console.log('addColumn调用')
        // 可以发起添加字段的网络请求
        const { data: res } = await this.$http.post('metastore/column', this.addForm)

        if (res.meta.status !== 201) {
          this.$message.error('添加字段失败！')
        }

        this.$message.success('添加字段成功！')
        // 隐藏添加字段的对话框
        this.addDialogVisible = false
        // 重新获取字段列表数据
        this.getColumnList()
      })
    },
    // 展示编辑字段的对话框
    async showEditDialog(id) {
      // console.log(id)
      const { data: res } = await this.$http.get('metastore/' + id)

      if (res.meta.status !== 200) {
        return this.$message.error('查询字段信息失败！')
      }

      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改字段对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    // 修改字段信息并提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        // 发起修改字段信息的数据请求
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        )

        if (res.meta.status !== 200) {
          return this.$message.error('更新字段信息失败！')
        }

        // 关闭对话框
        this.editDialogVisible = false
        // 刷新数据列表
        this.getColumnList()
        // 提示修改成功
        this.$message.success('更新字段信息成功！')
      })
    },
    // 根据Id删除对应的字段信息
    async removeUserById(id) {
      // 弹框询问字段是否删除数据
      const confirmResult = await this.$confirm(
        '此操作将永久删除该字段, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)

      // 如果字段确认删除，则返回值为字符串 confirm
      // 如果字段取消了删除，则返回值为字符串 cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }

      const { data: res } = await this.$http.delete('users/' + id)

      if (res.meta.status !== 200) {
        return this.$message.error('删除字段失败！')
      }

      this.$message.success('删除字段成功！')
      this.getColumnList()
    },
    // 展示分配角色的对话框
    async setRole(userInfo) {
      this.userInfo = userInfo

      // 在展示对话框之前，获取所有角色的列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }

      this.rolesList = res.data

      this.setRoleDialogVisible = true
    },
    // 点击按钮，分配角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }

      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )

      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }

      this.$message.success('更新角色成功！')
      this.getColumnList()
      this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang="less" scoped>
</style>
